Science is all those things which are confirmed to such a degree that it would be unreasonable to withhold one's provisional consent.

Orchids were not made by an ideal engineer; they are jury-rigged from a limited set of available components.

I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops.

Science is an integral part of culture. It's not this foreign thing, done by an arcane priesthood. It's one of the glories of the human intellectual tradition.

We cannot win this battle to save species and environments without forging an emotional bond between ourselves and nature as well - for we will not fight to save what we do not love.

Advocates for a single line of progress encounter their greatest stumbling block when they try to find a smooth link between the apparently disparate designs of the invertebrates and vertebrates.

Ordinary speciation remains fully adequate to explain the causes and phenomenology of punctuation.

Nothing is more dangerous than a dogmatic worldview - nothing more constraining, more blinding to innovation, more destructive of openness to novelty.

The center of human nature is rooted in ten thousand ordinary acts of kindness that define our days.

If genius has any common denominator, I would propose breadth of interest and the ability to construct fruitful analogies between fields.

Creationist critics often charge that evolution cannot be tested, and therefore cannot be viewed as a properly scientific subject at all. This claim is rhetorical nonsense.

There is freedom waiting for you, On the breezes of the sky, And you ask "What if I fall?"Oh but my darling, What if you fly?

Hurt? He'll never be hurt–he's made to other people.

Real Love Spread Real Happiness!

Denial couldn't be maintained.

Smile, it is the key that fits the lock of everybody's heart.

I hate to do what I'm told, that's why I'm not good at 9-to-5s.

You think you want the blue skies, the open road, but really you want the tunnel, you want to know how the story ends.

Wit, to be well defined, must be defined by wit itself; then it will be worth listening to.

For one thing, to predict the advent of big business was considering the conditions of Marx's day an achievement in itself.

Not to believe in the possibility of permanent peace is to disbelieve in the Godliness of human nature.